True but not 100% true. If you’re at a game in person you’d see all the times when gameplay stops for no reason purely for an added TV break and the players stand around on the field. Not a team timeout, just literally a TV timeout that neither team asked for.
Go to a high school game then go to an NFL game and you’ll see a massive difference.
Go to a high school game then go to an NFL game and you’ll see a massive difference.